export interface Epic {
    issue_number: number;
    issue_url: string;
    issue_title: string;
    branch: string;
    status: 'in_progress' | 'pr_open' | 'merged';
    classification: 'ship' | 'show' | 'ask' | null;
    pr_number: number | null;
    pr_url: string | null;
    worktree_path: string | null;
    created_at: string;
}
export declare class EpicService {
    private stateDir;
    private statePath;
    constructor(stateDir: string);
    listEpics(): Epic[];
    getEpic(issueNumber: number): Epic | undefined;
    addEpic(epic: Epic): void;
    updateEpic(issueNumber: number, updates: Partial<Epic>): void;
    removeEpic(issueNumber: number): void;
    static branchName(issueNumber: number, title: string): string;
    private readState;
    private writeState;
}